Example usage for org.w3c.dom Element getChildNodes

Introduction

In this page you can find the example usage for org.w3c.dom Element getChildNodes.

Prototype

public NodeList getChildNodes();

Source Link

Document

A NodeList that contains all children of this node.

Usage

From source file:Main.java

/**
 * replace the text value in the target/*from   www  .ja  va 2  s .  com*/
 *
 * @param target
 * @param value
 * @return
 */
public static boolean replaceTextValue(final Element target, final String value) {
    if (target == null) {
        return false;
    }
    final NodeList nodeList = target.getChildNodes();
    if (nodeList == null) {
        return false;
    }
    for (int current = 0; current < nodeList.getLength(); current++) {
        final Node node = nodeList.item(current);
        if (node instanceof Text) {
            final Text text = (Text) node;
            text.setData(value);
            return true;
        }
    }
    return false;
}

From source file:Main.java

public static Element getChildWithAttribute(Element element, String attributeName) {

    if (element == null) {
        return null;
    }/*  www .  j a  v a  2  s. c om*/

    NodeList children = element.getChildNodes();

    for (int loop = 0, length = children.getLength(); loop < length; loop++) {
        Node node = children.item(loop);

        if (!(node instanceof Element)) {
            continue;
        }

        Element child = (Element) node;

        if (child.hasAttribute(attributeName)) {
            return child;
        }
    }

    return null;
}

From source file:Main.java

private static String getNodeText(Element element, String nodeWeiZhi) {
    String result = "";
    String[] nodeNames = nodeWeiZhi.split(">");
    NodeList children = element.getChildNodes();
    for (int i = 0; i < children.getLength(); i++) {
        Node node = children.item(i);
        String nodeName = node.getNodeName();
        if (nodeName.equals(nodeNames[0])) {
            if (nodeNames.length == 1) {
                result += "," + node.getTextContent().trim();
            }/*from  ww  w . java2  s.  c o  m*/
            String nodeWeiZhiTemp = nodeWeiZhi.replaceFirst(nodeNames[0], "").replaceFirst(">", "");
            NodeList childrenTempList = node.getChildNodes();
            if (childrenTempList.getLength() > 0 && !nodeWeiZhiTemp.equals("")) {
                result += getNodeText((Element) node, nodeWeiZhiTemp);
            }
        }
    }
    return result;
}

From source file:Main.java

static public Element selectSingleElement(Element element, String xpathExpression) throws Exception {
    if (xpathExpression.indexOf("/") == -1) {
        NodeList nodeList = element.getChildNodes();
        for (int i = 0; i < nodeList.getLength(); i++) {
            Node node = nodeList.item(i);
            if (node.getNodeType() == Node.ELEMENT_NODE && node.getNodeName().equals(xpathExpression)) {
                return (Element) node;
            }/*from   w w  w. j  a va  2  s.co m*/
        }
        //  NodeList nodes = element.getElementsByTagName(xpathExpression);
        //  if (nodes.getLength() > 0) {
        //      return (Element) nodes.item(0);
        //  } else {
        return null;
        //  }
    } else {
        XPath xpath = XPathFactory.newInstance().newXPath();
        Element node = (Element) xpath.evaluate(xpathExpression, element, XPathConstants.NODE);
        return node;
    }
}

From source file:Main.java

public static String GetChildElementText(Element element, String name) {
    if (element != null && name != null && !name.isEmpty()) {
        NodeList nodes = element.getChildNodes();

        for (int i = 0; i < nodes.getLength(); i++) {
            Node node = nodes.item(i);

            if (node instanceof Element && name.equals(node.getNodeName())) {
                return node.getTextContent();
            }/*from   www  .j a va2s  .c  o m*/
        }
    }
    return null;
}

From source file:Main.java

public static Element getFirstChild(Element paramElement, String paramString1, String paramString2,
        String paramString3) {/*from  w  w  w.j  a va 2  s. c om*/
    NodeList localNodeList = paramElement.getChildNodes();
    for (int i = 0; i < localNodeList.getLength(); i++) {
        Node localNode = localNodeList.item(i);
        if ((localNode != null) && (localNode.getNodeType() == 1)
                && (((Element) localNode).getTagName().equals(paramString1))) {
            Element localElement = (Element) localNode;
            if ((localElement.hasAttribute(paramString2))
                    && (paramString3.equals(localElement.getAttribute(paramString2))))
                return localElement;
        }
    }
    return null;
}

From source file:Main.java

/**
 * Returns first of the <tt>element</tt>'s child nodes that is of type
 * <tt>nodeType</tt>.//from   w  ww  . j a  va2s .  c o m
 * @param element the element whose child we need.
 * @param nodeType the type of the child we need.
 * @return a child of the specified <tt>nodeType</tt> or null if none
 * was found.
 */
public static Node getChildByType(Element element, short nodeType) {
    if (element == null)
        return null;

    NodeList nodes = element.getChildNodes();
    if (nodes == null || nodes.getLength() < 1)
        return null;

    Node node;
    String data;
    for (int i = 0; i < nodes.getLength(); i++) {
        node = nodes.item(i);
        short type = node.getNodeType();
        if (type == nodeType) {
            if (type == Node.TEXT_NODE || type == Node.CDATA_SECTION_NODE) {
                data = ((Text) node).getData();
                if (data == null || data.trim().length() < 1)
                    continue;
            }

            return node;
        }
    }

    return null;
}

From source file:Main.java

public static String getTextContent(Element elm) {
    if (elm == null) {
        return null;
    }//  w  ww. java  2s  . co m
    StringBuilder result = new StringBuilder();
    NodeList childNodes = elm.getChildNodes();
    for (int i = 0; i < childNodes.getLength(); i++) {
        Node node = childNodes.item(i);
        if ((node == null) || (node.getNodeType() != Node.TEXT_NODE)) {
            continue;
        }
        result.append(((Text) node).getData());
    }
    return result.toString().trim();
}

From source file:Main.java

/**
 * Obtains the list of child element nodes.
 *
 * @param element the root element./*from   w ww  .j a va2s  .  com*/
 * @return the list of child elements.
 */
private static List<Element> getElementList(final Element element) {
    final List<Element> elementList = new ArrayList<Element>();

    final NodeList childNodes = element.getChildNodes();
    final int numChildren = childNodes.getLength();

    for (int i = 0; i < numChildren; i++) {
        final Node childNode = childNodes.item(i);
        if (childNode.getNodeType() != Node.ELEMENT_NODE) {
            continue;
        }
        elementList.add((Element) childNode);
    }

    return elementList;
}

From source file:Main.java

static public String getStringValue(Element el, boolean trimWhitespace) {
    StringBuilder sb = new StringBuilder(1024);
    String str;//from  w  w  w .jav  a2  s  .  c  o m

    NodeList nl = el.getChildNodes();
    for (int i = 0; i < nl.getLength(); ++i) {
        Node n = nl.item(i);
        if (n instanceof Text) {
            sb.append(n.getNodeValue());
        }
    }
    if (trimWhitespace) {
        str = sb.toString().trim();
    } else {
        str = sb.toString();
    }
    return str;

}